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Table 4 Multivariable logistic regression analysis for in-hospital death

From: Comparison of clinical characteristics and outcomes between aspiration pneumonia and community-acquired pneumonia in patients with chronic obstructive pulmonary disease

  

All

AsP

CAP

  

aOR

95 % CI

aOR

95 % CI

aOR

95 % CI

Type of pneumonia

      
 

AsP

1.19**

1.08–1.31

    
 

CAP

Ref.

     

Age (years)

      
 

40–64

Ref.

 

Ref.

 

Ref.

 
 

65–74

1.13

0.93–1.38

1.43

0.75–2.71

1.09

0.87–1.35

 

75–84

1.28*

1.05–1.56

1.52

0.80–2.91

1.22

0.98–1.52

 

>85

1.45**

1.18–1.77

1.58

0.83–2.97

1.41**

1.12–1.77

Sex

      
 

Male

Ref.

 

Ref.

 

Ref.

 
 

Female

0.60**

0.54–0.67

0.66**

0.52–0.83

0.58**

0.52–0.66

Body mass index (kg/m2)

 

<18.5

1.70**

1.58–1.83

1.72**

1.50–1.96

1.69**

1.55–1.84

 

18.5–24.9

Ref.

 

Ref.

 

Ref.

 
 

25–29.9

0.77**

0.65–0.93

0.73

0.48–1.12

0.77*

0.63–0.95

 

>30

0.88

0.56–1.38

0.79

0.24–2.55

0.90

0.52–1.47

Dyspnea grade by Hugh-Jones classification

 

I

Ref.

 

Ref.

 

Ref.

 
 

II

1.23

0.89–1.68

0.64

0.33–1.22

1.42

1.00–2.02

 

III

1.51**

1.13–2.01

0.90

0.51–1.58

1.68**

1.21–2.34

 

IV

2.26**

1.74–2.96

1.30

0.76–2.22

2.57**

1.89–3.50

 

V

5.44**

4.19–7.08

2.60**

1.55–4.37

6.42**

4.72–8.72

 

Unspecified

5.54**

4.20–7.29

2.47**

1.46–4.19

6.90**

4.99–9.53

Level of consciousness

     
 

Alert

Ref.

 

Ref.

 

Ref.

 
 

Dull

0.96

0.86–1.07

0.88

0.75–1.03

1.00

0.88–1.14

 

Somnolence

1.09

0.94–1.27

0.82

0.64–1.04

1.38**

1.12–1.70

 

Coma

1.46**

1.19–1.80

1.22

0.88–1.68

1.62**

1.24–2.10

Level of ADL scored by Barthel index

 

20

Ref.

 

Ref.

 

Ref.

 
 

15–19

1.26**

1.09–1.45

1.07

0.73–1.59

1.26**

1.07–1.48

 

10–14

1.54**

1.34–1.76

1.33

0.93–1.90

1.51**

1.31–1.75

 

5–9

1.90**

1.65–2.20

1.22

0.85–1.75

1.99**

1.69–2.35

 

0–4

3.04**

2.67–3.46

1.94**

1.43–2.63

3.21**

2.76–3.71

A-DROP score

      
 

Mild

Ref.

 

Ref.

 

Ref.

 
 

Moderate

1.64**

1.24–2.17

3.22*

1.15–9.00

1.48*

1.09–2.01

 

Severe

2.86**

2.12–3.85

5.11**

1.78–14.65

2.67**

1.94–3.68

 

Extremely severe

7.84**

5.74–10.70

14.18**

4.85–41.41

7.22**

5.15–10.12

Co-morbidities on admission

 

IP

2.21**

1.88–2.60

1.69*

1.12–2.55

2.32**

1.95–2.76

 

Lung cancer

2.80**

2.45–3.20

1.88**

1.40–2.52

3.00**

2.59–3.48

 

Heart failure

1.16**

1.06–1.27

1.27**

1.06–1.53

1.14*

1.00–1.24

 

IHD

0.80**

0.69–0.93

0.93

0.69–1.25

0.76**

0.63–0.90

 

Arrhythmia

1.15

0.99–1.33

1.34*

1.01–1.78

1.07

8.9–.128

 

PE

0.91

0.44–1.90

1.20

0.11–12.56

0.84

0.40–1.75

 

Cor pulmonale

1.42*

1.02–1.99

1.77

0.80–3.89

1.35

0.93–1.l97

 

CVD

0.94

0.84–1.06

0.99

0.84–1.16

0.92

0.79–1.07

 

CLD

1.23

0.93–1.64

1.51

0.81–2.81

1.13

0.81–1.57

 

CRF

1.65**

1.35–2.02

1.56*

1.08–2.27

1.68**

1.35–2.09

 

ANX/DEP

0.90

0.64–1.28

1.53

0.92–2.53

0.67

0.43–1.05

 

Bone fracture

1.66**

1.29–2.13

1.20

0.80–1.82

1.90**

1.41–2.56

  1. *p value <0.05, **p value <0.01. Abbreviations: AsP aspiration pneumonia, CAP community-acquired pneumonia, aOR adjusted odds ratio, CI confidence interval, Ref. reference, ADL activities of daily life, IP interstitial pneumonitis IHD ischemic heart disease, PE pulmonary embolism, CVD cerebrovascular disease, CLD chronic liver disease, CRF chronic renal failure, ANX/DEP anxiety and depression
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